Rattus stoicus 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Muridae

Scientific Name: Rattus stoicus (Miller, 1902)
Common Name(s):
English Andaman Rat
Mus rogersi Thomas, 1907
Mus stoicus Miller, 1902
Mus taciturnus Miller, 1902
Rattus rogersi (Thomas, 1907)
Taxonomic Notes: Ellerman (1961) opined that stoicus “possibly represents Rattus palmarum; possibly as a member of the sabanus group, or perhaps a representative of the mulleri group”. Musser and Heaney (1985) redescribed this species. Corbet and Hill (1992) and Agrawal (2000) consider it as a distinct species.

Assessment Information [top]

Red List Category & Criteria: Vulnerable D2 ver 3.1
Year Published: 2016
Date Assessed: 2016-07-11
Assessor(s): Molur, S.
Reviewer(s): Amori, G.
Contributor(s): Nameer, P.O.
Facilitator/Compiler(s): Laginha Pinto Correia, D.
Although there are no threats currently identified, it is plausible that the species could be under some pressure in the near future from the relief schemes proposed for post tsunami development. The species is restricted to severely fragmented locations, hence assessed as Vulnerable.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is endemic to the Andaman group of islands of India. It has been recorded from Henry Lawrence Island, South Andaman and Middle Andaman (Agrawal 2000, Musser and Newcomb 1983) (T.P. Bhattacharya pers. comm). It occurs from sea level to 200 m (Molur et al. 2005).
Countries occurrence:
India (Andaman Is.)
Additional data:
Estimated area of occupancy (AOO) - km2:10-5000
Number of Locations:4
Upper elevation limit (metres):200
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:There is no information available on the population abundance of this species (Molur et al. 2005).
Current Population Trend:Stable
Additional data:
Population severely fragmented:Yes

Habitat and Ecology [top]

Habitat and Ecology:It is a terrestrial and nocturnal species occurring in tropical evergreen forests (Molur et al. 2005).

Use and Trade [top]

Use and Trade: This species is not utilized.

Threats [top]

Major Threat(s): While there appear to be no current major threats for this species, it is possible that post tsunami (December 2004) relief works, including the creation of new settlements and clearance of forests in the Andaman islands, could be a potential threat to this rat (Sanjay Molur pers. comm).

Conservation Actions [top]

Conservation Actions: It is listed in the Schedule V (considered as vermin) of the Indian Wildlife (Protection) Act, 1972. It has not been recorded from any protected areas. Survey, ecological studies and monitoring are recommended for this species (Molur et al. 2005).

Errata [top]

Errata reason: This errata assessment has been created because the map was accidentally left out of the version published previously.

Citation: Molur, S. 2016. Rattus stoicus (errata version published in 2017). The IUCN Red List of Threatened Species 2016: e.T19365A115149626. . Downloaded on 24 June 2018.
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